06-20-1985 Public Hearing and Regular Meeting

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f . • Page Four • hiay 13, 1985 RE: Proposed City Utility Master Plan FIASTEt~1ATER The problem of integrating annexed areas having different infrastructures into the City also extends to sanitary sewage. The Master Wastewater Collection and Treatment Plan addresses that issue in great detail. htuch of the City's existing collection system suffers from ground water infiltration into leaking joints, cracked lines, and poorly sealed manholes. Public 1r7orks has had an active program to cure this problem. Relief sewers are also proposed in the plan, mainly in the old town site area. The City has many small lift stations, (especially in Lornax) and the plan calls for the abandonment of 12 and the replacement of 2 of the City's 34 stations. One new lift station is to be constructed. A centralized monitor and control system is proposed for the pump station network. The Fairmont Park area suffers from a trunk sewer main which is seriously overloaded during peak wet weather flows. The plan • addresses this problem, as well as the discontinuity between the annexed areas with a large trunk secaer which will eventually parallel Big Island Slough and Fairmont Parkway from northwest Lomax to the City Sewage Treatment Plant (STP). This new trunk sewer will permit the City to abandon the small College View STP, which no longer meets state standards, and divert those flows to the City STP. The plan also provides ~o.r a reasonable network to serve future development of now vacant lands linked to the new Fairmont Parkway Trunk Sewer. The City STP is now running at near capacity and sometimes exceeds -~-------~-tRa-~e ~ -D i s c h a r g e P e r m i t L i m i t s d u r -i-n g -~t~ -r~reMa~~re-n : -- T h e p l a n c all s for an immediate expansion from 2.8 million gallons per day (MGD) to X4.2 MGD, which will serve the City's needs through 199U. Future expansions will raise the plant's capacity to 7.0 MGD and to 10 MGD when the City is mature. JJ/tla • ~~-~l